Worm in the Woodwork
From Author Wars - https://authorwars.com/books/worm-in-the-woodwork-752245.html
Editions/Publications:
- Unknown. Analog Science Fact -> Science Fiction, January 1962 (Unknown, Goodavage, Street & Smith Publications, Inc., $0.50, 180 pages, digest, MAGAZINE)
- Unknown. Analog Science Fact -> Science Fiction, May 1962 (Unknown, Goodavage, Atlas Publishing and Distribution Co. Ltd, 2/6, 132 pages, digest, MAGAZINE)